package com.edusys.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class COSFilter implements Filter {

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		
	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2)
			throws IOException, ServletException {
		HttpServletRequest req=(HttpServletRequest) arg0;
		 HttpServletResponse response = (HttpServletResponse) arg1; 
		 response.addHeader("Access-Control-Allow-Origin", "*");
		 response.addHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
       response.addHeader("Access-Control-Allow-Headers",
         "Content-Type,X-Requested-With,accept,Origin," +
         "Access-Control-Request-Method,Access-Control-Request-Headers,token");
		 arg2.doFilter(req, response); 
		
	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

}
